$B_c$ excitations at LHC experiments

Abstract

The $2S$ $B_c$ states observed by ATLAS, CMS and LHCb Collaborations are discussed. The observation perspectives of $B_c^{\ast }$, $2P$ wave, $3P$ wave and $D$ wave states of $B_c$ at LHC experiments are estimated.

Comments: 18 pages, 4 figures, typos fixed, two figures with Bc(P) decays changed